71882147 has 4 divisors (see below), whose sum is σ = 71918280. Its totient is φ = 71846016.

The previous prime is 71882123. The next prime is 71882177. The reversal of 71882147 is 74128817.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71882147 - 2²⁶ = 4773283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71882147.

It is not an unprimeable number, because it can be changed into a prime (71882177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14897 + ... + 19122.

It is an arithmetic number, because the mean of its divisors is an integer number (17979570).

Almost surely, 2^71882147 is an apocalyptic number.

71882147 is a deficient number, since it is larger than the sum of its proper divisors (36133).

71882147 is a wasteful number, since it uses less digits than its factorization.

71882147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36132.

The product of its digits is 25088, while the sum is 38.

The square root of 71882147 is about 8478.3339754931. Note that the first 3 decimals coincide. The cubic root of 71882147 is about 415.7896553557.

The spelling of 71882147 in words is "seventy-one million, eight hundred eighty-two thousand, one hundred forty-seven".